Design the pressure system
Taps and showers need pressure. You get it from height (gravity) or from a pressure pump and tank.
How
- Calculate gravity pressure: roughly 1 bar per 10.2 m of height between tank water level and tap (from 2.31 ft per psi).
- If height is not enough, add a booster pump with a pressure tank after storage, powered from the power module.
- Size the booster for peak flow. New York State estimates a typical household peak at about 19 L/min (5 gpm), two fixtures at once.
- Place pressure equipment where it will not freeze, overheat or flood, with isolation valves either side for servicing.
- Put the sediment filter before the pressure tank or UV unit, so treatment sees clean water (see water-16).
Do these first
Sources
- Individual Water Supply Wells: Fact Sheet #2 (yield and storage). New York State Department of Health, accessed 2026-11
- 8.06: Power Requirements (Irrigation Systems Management). LibreTexts Workforce, accessed 2026-11